Numbers n such that n and n^(1/2) combined use different digits.

Terms

a(0) =4a(1) =9a(2) =16a(3) =49a(4) =64a(5) =81a(6) =289a(7) =324a(8) =576a(9) =841a(10) =2809a(11) =2916a(12) =3249a(13) =3481a(14) =5184a(15) =6241a(16) =7056a(17) =43681a(18) =67081a(19) =321489a(20) =651249a(21) =729316